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ASTM D2570-24

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Standard Test Method for Simulated Service Corrosion Testing of Engine Coolants

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1.1 This test method evaluates the effect of a circulating engine coolant on metal test specimens and automotive cooling system components under controlled, essentially isothermal laboratory conditions.

1.2 This test method specifies test material, cooling system components, type of coolant, and coolant flow conditions that are considered typical of current automotive use.

1.3 The values stated in foot-pound-second units are to be regarded as the standard. The values given in parentheses (SI units) are approximate equivalents for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 6.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


4.1 This test method, by a closer approach to engine cooling system conditions, provides better evaluation and selective screening of engine coolants than is possible from glassware testing (Test Method D1384). The improvement is achieved by controlled circulation of the coolant, by the use of automotive cooling system components, and by a greater ratio of metal surface area to coolant volume.

4.2 Although this test method provides improved discrimination, it cannot conclusively predict satisfactory corrosion inhibition and service life. If greater assurance of satisfactory performance is desired, it should be obtained from full-scale engine tests (Test Method D2758) and from field testing in actual service (Practice D2847).

4.3 Significance and interpretation of the test and its limitations are discussed further in Appendix X1.

4.4 If this test method is used as a qualification test for Specification D3306 and Specification D4985, the recommended components listed in Section 5 shall be used. If it is not being used for such qualification purposes, then suitable substitution components may be used, if agreed upon between the contracting parties.

SDO ASTM: ASTM International
Document Number D2570
Publication Date Sept. 1, 2024
Language en - English
Page Count 9
Revision Level 24
Supercedes
Committee D15.09
Publish Date Document Id Type View
Sept. 1, 2024 D2570-24 Revision
April 1, 2016 D2570-16 Revision
Dec. 1, 2010 D2570-10 Revision
Nov. 1, 2009 D2570-09 Revision
Oct. 1, 2008 D2570-08 Revision
April 10, 1996 D2570-96R02E01 Revision
April 10, 1996 D2570-96 Revision
Not Available D2570-91 Revision
April 10, 1996 D2570-96R02 Reaffirmation